Article 2 — Transposition
Member States shall adopt and publish, by 31 December 2021, the laws, regulations and administrative provisions necessary to comply with this Directive. They shall immediately inform the Commission thereof.
They shall apply the measures provided for in Article 1 from 1 January 2021.
When Member States adopt those provisions, they shall contain a reference to this Directive or shall be accompanied by such a reference on the occasion of their official publication. Member States shall determine how such reference is to be made.